Elasticsearch Articles | Spring Boot 123

How to Output JSON Structured Logs in Spring Boot - Production-Ready Setup with Logstash Encoder and MDC

Step-by-step guide to configuring Spring Boot to output logs in JSON format using logstash-logback-encoder. Covers how to automatically attach request IDs and user IDs via MDC, Spring Boot 3.4 native structured logging support, and environment-based profile switching.

2026-04-04